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_wp_normalize_relative_css_links › WordPress Function

Seit5.9.0
Veraltetn/v
› _wp_normalize_relative_css_links ( $css, $stylesheet_url )
Zugriff:
  • private
Parameter: (2)
  • (string) $css The CSS to make URLs relative to the WordPress installation.
    Erforderlich: Ja
  • (string) $stylesheet_url The URL to the stylesheet.
    Erforderlich: Ja
Gibt zurück:
  • (string) The CSS with URLs made relative to the WordPress installation.
Definiert in:
Codex:

Makes URLs relative to the WordPress installation.



Ähnliche Funktionen: wp_normalize_remote_block_pattern, wp_kses_normalize_entities, wp_normalize_path, wp_make_link_relative, wp_normalize_site_data

Quellcode 

function _wp_normalize_relative_css_links( $css, $stylesheet_url ) {
	return preg_replace_callback(
		'#(url\s*\(\s*[\'"]?\s*)([^\'"\)]+)#',
		static function ( $matches ) use ( $stylesheet_url ) {
			list( , $prefix, $url ) = $matches;

			// Short-circuit if the URL does not require normalization.
			if (
				str_starts_with( $url, 'http:' ) ||
				str_starts_with( $url, 'https:' ) ||
				str_starts_with( $url, '/' ) ||
				str_starts_with( $url, '#' ) ||
				str_starts_with( $url, 'data:' )
			) {
				return $matches[0];
			}

			// Build the absolute URL.
			$absolute_url = dirname( $stylesheet_url ) . '/' . $url;
			$absolute_url = str_replace( '/./', '/', $absolute_url );

			// Convert to URL related to the site root.
			$url = wp_make_link_relative( $absolute_url );

			return $prefix . $url;
		},
		$css
	);
}